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→The labLab 07 / 10 · Microcontroller

ExperimentESP32 · Wi-Fi · Bluetooth

ESP32

The default brain for anything that needs to talk.

The story, in 3 stages

  1. 01Device
  2. 02Data
  3. 03Communication

(01)The instrument

ESP32 · linkSimulated
IMUDistanceIRESP32SERVERPHONE
Packets 00000

A simulation of how the part behaves — not a recording of mine. Bench photos go in the evidence below.

(02)Device → Data → Communication

  1. 01 · Device

    Two cores and two radios

    A dual-core Xtensa LX6 at up to 240 MHz, with Wi-Fi and Bluetooth on the same chip. That combination is why it ends up in almost everything connected.

  2. 02 · Data

    Readings in

    Sensors on I²C, SPI or the analog pins feed it readings, and it has the headroom to filter and package them on the spot.

  3. 03 · Communication■

    Messages out

    Then it sends them somewhere — over Wi-Fi to a server, or Bluetooth to a phone. That last step is exactly what a plain Arduino can't do on its own.

(03)On my bench

What I actually did with it

  • 01One of the three microcontroller families on the bench

[ADD — what you connected it to]

(04)Evidence

The ESP32Fig. 01
Next on the bench — 08 / 10MicrocontrollerRaspberry Pi Pico→Cheap, fast, and very good at precise timing.